LOCATION.-- Lat. 42°08'16", long 87°47'04" (NAD of 1927), at NE¼ NW¼ sec.12, T42N, R12E, Cook County, Hydrologic Unit 07120003, 33 feet upstream of Dundee Road (sewer pipe in the Chicago Botanical Gardens). | |
DRAINAGE AREA.-- 23.8 mi². | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1962-1979; Miscellaneous discharge measurements, water year 2000. | |
SURFACE-WATER QUALITY | |
MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000. | |
BIOLOGICAL | |
ALGAE: Water year 2000. | |
BENTHIC MACROINVERTEBRATES: Water year 2000. | |
HABITAT: Water year 2000-01. | |
REMARKS FOR CURRENT YEAR.--Algae community samples were collected as part of the National Water-Quality Assessment program (NAWQA) in the lower Illinois River Basin. A quantitative sample was collected in accordance with NAWQA protocols (Cuffney and others, 1993). Reach A begins 33 feet upstream of Dundee Road and continues upstream for 591 feet. | |
| PERIPHYTON ALGAE, QUANTITATIVE, RTH (Richest-targeted habitat, cobbles or snags) | |||
|---|---|---|---|
| [sp., species; Chlorophyta, Green algae; Cyanophyta, Blue-green algae; Chrysophyta, Golden algae, for example diatoms; Cryptophyta, Cryptophytes; Euglenophyta, Euglenoids; Pyrrhophyta, Dinoflagellates; Rhodophyta, Red algae] | |||
| Quantitative sample | |||
| Phylum | |||
| Taxon | Cells (number/cm2) | Biovolume (biovolume/cm2) | |
| Reach A 7/17/2000 | |||
| Chrysophyta | |||
| Achnanthes conspicua Mayer | 4141.76231 | 312963.7048 | |
| Achnanthidium minutissimum (Kützing) Czarnecki | 8283.52881 | 450397.1433 | |
| Amphora copulata (Kützing) Schoeman et Archibald | 4141.76231 | 6927269.071 | |
| Amphora montana Krasske | 4141.76231 | 890618.9545 | |
| Amphora pediculus (Kützing) Grunow | 97331.51056 | 9710757.993 | |
| Aulacoseira muzzanensis (Meister) Krammer | 4141.76231 | 13942261.36 | |
| Cocconeis placentula Ehrenberg | 37275.89428 | 27157410.14 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 12425.2953 | 8532027.846 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 20708.82829 | 23194015.41 | |
| Ctenophora pulchella (Ralfs ex Kützing) Williams et Round | 4141.76231 | 7710352.384 | |
| Cyclotella meneghiniana Kützing | 53842.96026 | 45904123.23 | |
| Cyclotella nana Hustedt | 4141.76231 | 94094.76944 | |
| Cyclotella pseudostelligera Hustedt | 8283.52881 | 715815.0493 | |
| Fragilaria vaucheriae (Kützing) Petersen | 16567.0618 | 3632941.397 | |
| Gomphonema angustatum (Kützing) Rabenhorst | 8283.52881 | 2614157.931 | |
| Gomphonema kobayasii Kociolek et Kingston | 8283.52881 | 1364563.422 | |
| Gomphonema parvulum (Kützing) Kützing | 8283.52881 | 2097881.501 | |
| Gyrosigma scalproides (Rabenhorst) Cleve | 4141.76231 | 6068827.782 | |
| Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski | 16567.0618 | 9868240.757 | |
| Lemnicola hungarica (Grunow) Round et Basson | 4141.76231 | 2172904.291 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 4141.76231 | 1071124.984 | |
| Navicula gregaria Donkin | 45559.42727 | 12271415.1 | |
| Navicula minima Grunow | 213300.9683 | 8510048.995 | |
| Navicula recens Lange-Bertalot | 12425.2953 | 6225731.331 | |
| Navicula subminuscula Manguin | 24850.59479 | 1735915.443 | |
| Navicula tantula Hustedt | 16567.0618 | 839287.81 | |
| Navicula tripunctata (Müller) Bory | 4141.76231 | 3868144.803 | |
| Navicula trivialis Lange-Bertalot | 8283.52881 | 8786321.916 | |
| Navicula veneta Kützing | 4141.76231 | 653604.019 | |
| Neidium bisulcatum (Lagerstedt) Cleve | 4141.76231 | 31067359.1 | |
| Nitzschia frustulum (Kützing) Grunow | 256789.5186 | 12780629.86 | |
| Nitzschia palea (Kützing) Smith | 4141.76231 | 1207139.381 | |
| Nitzschia palea var. debilis (Kützing) Grunow | 12425.2953 | 1997996.031 | |
| Nitzschia solita Hustedt | 4141.76231 | 1104888.561 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 41417.66077 | 5605592.663 | |
| Reimeria sinuata (Gregory) Kociolek et Stoermer | 8283.52881 | 1389962.436 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 202946.5541 | 103167981.8 | |
| Sellaphora pupula (Kützing) Meresckowsky | 8283.52881 | 4521587.108 | |
| Surirella minuta Brébisson | 4141.76231 | 3432541.063 | |
| Tryblionella apiculata Gregory | 8283.52881 | 20217411.57 | |
| Tryblionella calida (Grunow) Mann | 4141.76231 | 9127369.633 | |
| Tryblionella victoriae Grunow | 8283.52881 | 7166427.466 | |
| Cyanophyta | |||
| Oscillatoria sp. 1? | 37656.26439 | 941406.6097 | |
| Phormidium granulatum | 351458.4676 | 29064858.88 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |